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TIW WESTERN Inc. (TIWW) has over 126,000 sq ft of enclosed shop fabrication space on 8 acres at our Calgary facility. This location have capabilities, from crane capacity to sandblast and paint facilities, to manufacture our complete line of products.

All Sales, Project Management, Design, Drafting, Purchasing and Accounting functions are performed from our Calgary office. Our complete product line of OTSG's and HRSG's are custom designed using a combination of proprietary in-house heat transfer design programs and purchased industry recognized software.

Fabrication of our equipment is carried out in our Calgary facility.

TIWW has been designing and manufacturing heat transfer equipment in Calgary since 1977. In 1979, TIWW acquired the technology to design and fabricate Once-Through Steam Generators (OTSG).

In 1998, we became a licensee of Nooter/Eriksen to design and fabricate Heat Recovery Steam Generators (HRSG) specifically for Enhanced Oil Recovery (EOR) applications.


TIW Western Inc. merges with Petro-Tech Heat Technology. As an industry leader in providing top-quality heat transfer products and services, we know a great opportunity when we see one.

On January 1, 2022, we happily welcomed Petro-Tech Heat Technology to the TIWW family and will now be known as a TIW Western Brand

The merger of our two companies enhances our ability to design and engineer leading-edge heat transfer solutions and to provide our clients with access to more than 121000sq feet of project space, making us one of the largest fabrication facilities in Western Canada.

We also welcome a new strategic alignment with Tornado Combustion Solutions Inc. Having Tornado design, engineering and fabrication within the TIW Western Facility expands our expertise and experience to include Fired equipment optimization and emissions reduction to the TIW Western Solution offering

Now when we say the sky’s the limit, we mean it!